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STRING (Satuan Tulisan Riset dan Inovasi Teknologi)
Published by Universitas Indraprasta PGRI
ISSN : 25279661     EISSN : 25492837     DOI : http://dx.doi.org/10.30998/string.v4i3.6197
Core Subject : Science, Education,
Computer Science & IT Mathematics
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) focuses on the publication of the results of scientific research related to the science and technology. STRING publishes scholarly articles in Science and Technology Focus and Scope Covering: 1. Computing and Informatics 2. Industrial Engineering 3. Electrical Engineering 3. Mechanical Engineering 4. Applied Mathematical 5. Physics (Classical and modern) 6. Mathematics and Science
Arjuna Subject : Ilmu Komputer (semua kategori) - Teori Komputasi dan Matematika
Articles 14 Documents
 1   2 
Search results for , issue "Vol 6, No 3 (2022)" : 14 Documents clear
Perencanaan Sistem Pneumatik Sebagai Penggerak pada Pintu Gerbong Kereta Jones Victor Tuapetel; Rohdi Narwalutama
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 6, No 3 (2022)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (542.728 KB) | DOI: 10.30998/string.v6i3.10536

Abstract

Pneumatic system is a system that is used as an automation system today by using air as its driver. The use of pneumatic systems in this planning aims to be used to open and close the doors of train cars. To get the pneumatic design as desired, a design and simulation is made using Festo Fluid Simulator. The result of the planning of a pneumatic system circuit produces a circuit according to its function. Based on calculations performed on force (1170.25 N) with speed (0.22 m/s) produced (5.68 s) to open the door and at force (1562.95 N) with speed (0.25 m/s) generated (4.68 s) to close the door. Simulation on Festo Fluid Simulator with the addition of one way valve (63%) with its mounting influence to close the door resulted in speed (0.25 m/s) and one way valve installation effect (61%) to open resulting in speed (0.21 m/s). 
Algoritma Sequential Search dan Hashing pada Aplikasi E-Lapor Layanan Publik Rukun Tetangga Pandyawan Eka Rizqullah; Ratih Titi Komala Sari
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 6, No 3 (2022)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (607.83 KB) | DOI: 10.30998/string.v6i3.11550

Abstract

Rukun Tetangga is one of the public services in Indonesia, Rukun Tetangga provides services to residents for the peace of local residents. At this time the data management process for the Neighborhood Association is currently running as usual, there are several problems identified, namely difficulties in finding data because it is still stored in the form of an agenda book, making letters which must take a long time because they are still recorded manually. The purpose of this final report is to design an application for the Rukun Tetangga public service using a Sequential Search and Hasing Algorithm while the programming language used is HTML, PHP, CSS and for the database using a website-based MySQL. The results of this study indicate that the use of the Rukun Tetangga public service application can assist population data collection in managing population movement data and making correspondence for the benefit of residents in completing certain affairs and according to what the Head of the Rukun Tetangga expects. Quality test results using microtime and blackbox to expect more effective results to use.
Smart Trash Menggunakan Sensor Ultrasonik dan Arduino Uno Berbasis IoT Imam Pambudi Utomo; Fauziah Fauziah; Nur Hayati
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 6, No 3 (2022)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (437.805 KB) | DOI: 10.30998/string.v6i3.11986

Abstract

The Covid-19 pandemic has forced us to adhere to health protocols. Thus, making people more careful not to come into direct contact, one of which is by not opening and closing trash cans that are often used together with many people. Sometimes people are also lazy to open the lid of the trash can and let the garbage sit on the lid of the trash can so that it is scattered and can become a nest of all kinds of diseases. The purpose of this research is to make the smart trash can open and close automatically and find out the available capacity in the smart trash. The ultrasonic sensor has a minimum and maximum limit with a sensor range of 0-30 cm detecting people the smart trash will automatically open, if it exceeds the range limit the smart trash will not open. If it is detected by the sensor but the smart trash is full, it will not open. In the range of the smart trash height of 25cm to determine the status of the smart trash capacity on the LCD, if the smart trash capacity is 10-100% then it is available, if the LCD status is less than 10% then it is full. The Fuzzy Logic algorithm is used to determine the rules for the level of distance accuracy (cm). The resulting value is a distance of 17.5- 25cm status is available, if a distance of 10-17.5cm status is available, if a distance of 2.5-10cm status is available, if a distance is 0-2 ,5cm full state. On the accuracy of the Naïve Bayes algorithm using rapidminer software that the accuracy of the success of the servo motor is 87.33%.
Perancangan Aplikasi Belajar Membaca Sebagai Media Pembelajaran Siswa TK Berbasis Android Ari Irawan; Sutrisno Sutrisno; Agus Darmawan
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 6, No 3 (2022)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (321.173 KB) | DOI: 10.30998/string.v6i3.10658

Abstract

The need for a concept with an information technology (IT)-based learning mechanism has the impact of very rapid progress on the world of education. The concept which was later known as e-learning had the effect of transforming conventional education into digital form, both in terms of content and system. This study aims to develop a product in the form of Android-based mobile learning to support students' reading learning at the level of Kindergarten and equivalent education. The method used in this research is Research and Development (R&D) to develop products in the form of Android-based mobile learning. The results of this study are a prototype in the form of an Android-based Learning to Read Application as a learning media for students at Fatahilah Kindergarten Jakarta.

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